Home / 776,950,879.20-1,165,426,318.80-741,119,071.20

Finding the Fourth Proportional to 776,950,879.20, 1,165,426,318.80 and 741,119,071.20

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Solution

The fourth proportional to 776,950,879.20, 1,165,426,318.80 and 741,119,071.20 is: 1,111,678,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,950,879.20 : 1,165,426,318.80 = 741,119,071.20 : x
  2. Step 2: Convert to fraction form
    776,950,879.20/1,165,426,318.80 = 741,119,071.20/x
  3. Step 3: Cross multiply
    776,950,879.20x = 1,165,426,318.80 × 741,119,071.20
  4. Step 4: Simplify right side
    776,950,879.20x = 863,719,670,941,091,072
  5. Step 5: Solve for x
    x = 863,719,670,941,091,072/776,950,879.20
  6. Step 6: Final answer
    x = 1,111,678,606.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.